Mercedes E-Class hybrid launched

• Most efficient Mercedes E-Class yet
• Just 109g/km and 67.3mpg
• Costs from £39,645

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This is the Mercedes-Benz E300 Bluetec Hybrid – the most efficient E-Class yet.

The Hybrid does an average economy of 67.3mpg and emits 109g/km of CO2 in saloon form, while the estate variant manages 64.2mpg and 116g/km.

The Mercedes E300 Bluetec Hybrid achieves these impressive figures with a 201bhp 2.1-litre four-cylinder diesel engine combined with a 27bhp electric motor.

However, these figures are possible only with the no-cost option 16-inch alloy wheels. The standard-fit 17-inch alloys increase emissions to 111g/km and average economy to 65.7mpg for the saloon, while the estate's stats are revised to 119g/km of CO2 and 62.8mpg.

Mercedes says the E-Class hybrid can be driven solely on electric power for up to one kilometre, at up to 21mph.

The electric element of the hybrid system is mounted within the seven-speed automatic transmission to save space. This means the E-Class hybrid has the same boot space and rear passenger room as its conventionally powered counterparts.

In terms of emissions, the E-Class is the most efficient in its class – the 2.0-litre diesel Audi A6 manages 129g/km, while the most efficient BMW 5 Series – the 520d Efficient Dynamics – emits 119g/km. The hybrid-powered BMW ActiveHybrid 5 uses a six-cylinder petrol engine, and emits 149g/km.

Deliveries of the Mercedes E300 Bluetec Hybrid start in November. Prices start at £39,645 for the saloon and £41,435 for the estate.

Tom Webster